CA2829611C - Circuit de verrouillage pour ballast - Google Patents

Circuit de verrouillage pour ballast Download PDF

Info

Publication number: CA2829611C
Authority: CA; Canada
Prior art keywords: circuit; switch; ballast; conductive state; voltage
Prior art date: 2012-10-23
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

CA2829611A

Other languages

English (en)

Other versions

CA2829611A1 (fr

Inventor

Ashwani Guleria

Ashish Kumar Gupta

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Osram Sylvania Inc

Original Assignee

Osram Sylvania Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2012-10-23

Filing date

2013-10-04

Publication date

2017-01-17

2013-10-04 Application filed by Osram Sylvania Inc filed Critical Osram Sylvania Inc

2014-04-23 Publication of CA2829611A1 publication Critical patent/CA2829611A1/fr

2017-01-17 Application granted granted Critical

2017-01-17 Publication of CA2829611C publication Critical patent/CA2829611C/fr

Status Expired - Fee Related legal-status Critical Current

2033-10-04 Anticipated expiration legal-status Critical

Links

238000001514 detection method Methods 0.000 claims abstract description 56
239000003990 capacitor Substances 0.000 claims description 34
230000004044 response Effects 0.000 claims description 32
230000000295 complement effect Effects 0.000 claims description 8
230000008859 change Effects 0.000 claims description 3
238000010586 diagram Methods 0.000 description 7
206010014357 Electric shock Diseases 0.000 description 2
230000001143 conditioned effect Effects 0.000 description 2
238000000034 method Methods 0.000 description 2
230000008878 coupling Effects 0.000 description 1
238000010168 coupling process Methods 0.000 description 1
238000005859 coupling reaction Methods 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
230000002950 deficient Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
230000005669 field effect Effects 0.000 description 1
239000000463 material Substances 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
239000004065 semiconductor Substances 0.000 description 1

Classifications

- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
- H05B41/295—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
- H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2981—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
- H05B41/2986—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit conditions
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices
- H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
- H05B41/2855—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices
- H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
- H05B41/2856—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit conditions

Landscapes

Circuit Arrangements For Discharge Lamps (AREA)

CA2829611A 2012-10-23 2013-10-04 Circuit de verrouillage pour ballast Expired - Fee Related CA2829611C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US13/658,636		2012-10-23
US13/658,636 US8729817B2 (en)	2012-10-23	2012-10-23	Latching circuit for ballast

Publications (2)

Publication Number	Publication Date
CA2829611A1 CA2829611A1 (fr)	2014-04-23
CA2829611C true CA2829611C (fr)	2017-01-17

Family

ID=50484728

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA2829611A Expired - Fee Related CA2829611C (fr)	2012-10-23	2013-10-04	Circuit de verrouillage pour ballast

Country Status (2)

Country	Link
US (1)	US8729817B2 (fr)
CA (1)	CA2829611C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
TWI513372B (zh) *	2014-01-03	2015-12-11	Delta Electronics Inc	螢光燈電子安定器
US9913346B1 (en) *	2015-08-11	2018-03-06	Universal Lighting Technologies, Inc.	Surge protection system and method for an LED driver
US11228169B1 (en)	2019-09-06	2022-01-18	Universal Lighting Technologies, Inc.	Combined high and low voltage protection circuit for half-bridge converter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5869935A (en) *	1997-05-07	1999-02-09	Motorola Inc.	Electronic ballast with inverter protection circuit
US5770925A (en)	1997-05-30	1998-06-23	Motorola Inc.	Electronic ballast with inverter protection and relamping circuits
US6768274B2 (en)	2002-09-28	2004-07-27	Osram Sylvania, Inc.	Ballast with lamp-to-earth-ground fault protection circuit
US7348734B2 (en) *	2005-06-30	2008-03-25	Osram Sylvania Inc.	Method for protecting a ballast from an output ground-fault condition
US7312588B1 (en) *	2006-09-15	2007-12-25	Osram Sylvania, Inc.	Ballast with frequency-diagnostic lamp fault protection circuit
US8093839B2 (en) *	2008-11-20	2012-01-10	Microsemi Corporation	Method and apparatus for driving CCFL at low burst duty cycle rates
US8008873B2 (en)	2009-05-28	2011-08-30	Osram Sylvania Inc.	Restart circuit for multiple lamp electronic ballast

2012
- 2012-10-23 US US13/658,636 patent/US8729817B2/en active Active
2013
- 2013-10-04 CA CA2829611A patent/CA2829611C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US8729817B2 (en)	2014-05-20
CA2829611A1 (fr)	2014-04-23
US20140111089A1 (en)	2014-04-24

Legal Events

Date	Code	Title	Description
2019-11-17	MKLA	Lapsed	Effective date: 20191004

Publication	Publication Date	Title
EP2062465B1 (fr)	2012-10-31	Ballast avec circuit de protection contre la formation d'arc
US5969483A (en)	1999-10-19	Inverter control method for electronic ballasts
US5945788A (en)	1999-08-31	Electronic ballast with inverter control circuit
US5883473A (en)	1999-03-16	Electronic Ballast with inverter protection circuit
KR101202355B1 (ko)	2012-11-16	아크 보호 회로를 갖는 안정기
CN101518157B (zh)	2013-01-23	具有频率诊断灯故障保护电路的镇流器
US6720739B2 (en)	2004-04-13	Ballast with protection circuit for quickly responding to electrical disturbances
CN101304626A (zh)	2008-11-12	具有起辉电压控制的镇流器
US8339056B1 (en)	2012-12-25	Lamp ballast with protection circuit for input arcing and line interruption
CA2829611C (fr)	2017-01-17	Circuit de verrouillage pour ballast
EP2127496A1 (fr)	2009-12-02	Commande de commutation pour mise en marche et arrêt d'un inverseur
US7187137B2 (en)	2007-03-06	Ballast with output ground-fault protection
US6657400B2 (en)	2003-12-02	Ballast with protection circuit for preventing inverter startup during an output ground-fault condition
CA2429430C (fr)	2011-12-20	Ballast a circuit de protection contre les defauts de mise a la terre de la lampe
US20050218829A1 (en)	2005-10-06	Method for protecting a ballast from an output ground-fault condition
US8299727B1 (en)	2012-10-30	Anti-arcing protection circuit for an electronic ballast
US8310160B1 (en)	2012-11-13	Anti-arcing circuit for current-fed parallel resonant inverter
US9713236B1 (en)	2017-07-18	Solid-state lighting arrangement with startup delay circuit
US11839004B2 (en)	2023-12-05	Driving circuit of a lamp and method for operating the driving circuit of the lamp
CN209748873U (zh)	2019-12-06	一种紫外灯镇流器电路
US7573204B2 (en)	2009-08-11	Standby lighting for lamp ballasts
CA2429424A1 (fr)	2004-01-19	Ballast a circuit de protection qui empeche le demarrage du convertisseur en cas de mise a la masse defectueuse de la charge